Tessenderlo Kerley CaTs Calcium Thiosulfate 30 Gallon | Soluble Ca + S Biofilm Removal Pair it with the matching

Pair it with the matching 5 L Soil A for volume-matched mixing

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5 L for Mid-Scale Grows: Practical size for hobby rooms and small commercial operations between 1 L and 20 L volume

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Tessenderlo Kerley CaTs Calcium Thiosulfate 30 Gallon | Soluble Ca + S Biofilm Removal Pair it with the matchingTessenderlo Kerley CaTs: Soluble Calcium Thiosulfate Liquid Fertilizer (30 Gallon) Tessenderlo Kerley CaTs (30 Gallon) is a soluble calcium thiosulfate liquid fertilizer carrying 10% calcium and 10% sulfur in a clear, chloride free solution. The thiosulfate form matters because it keeps the calcium fully soluble in solution and bypasses the binding issues that make gypsum and calcium nitrate problematic in certain irrigation contexts. Calcium is non